| Apache Struts 2 Documentation > Home > Guides > Core Developers Guide > Annotations > CustomValidator Annotation |
This annotation can be used for custom validators. Use the ValidationParameter annotation to supply additional params.
The annotation must be applied at method or type level.
| Parameter | Required | Default | Notes |
|---|---|---|---|
| message | yes | field error message | |
| key | no | i18n key from language specific properties file. | |
| fieldName | no | ||
| shortCircuit | no | false | If this validator should be used as shortCircuit. |
| type | yes | ValidatorType.FIELD | Enum value from ValidatorType. Either FIELD or SIMPLE can be used here. |
@CustomValidator(type ="customValidatorName", fieldName = "myField")
Use the ValidationParameter annotation to add custom parameter values.